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douglashmullins's Profile

Real Name: Douglas Mullins
Joined: February 2021

In the Garage

  • My Silverado 3500 HD

    2007 Chevrolet Silverado 3500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
    Added Feb 2021 • 29 Fuel-ups

    Property of douglashmullins

  • 10.5 Avg MPG Best In Garage

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Tips

Use synthetics everywhere

It is commonly known that synthetic motor oil yeailds gains ... ...

by mtxjohn

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